{"id":94246,"date":"2024-06-20T13:29:10","date_gmt":"2024-06-20T05:29:10","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=94246"},"modified":"2024-06-20T13:29:19","modified_gmt":"2024-06-20T05:29:19","slug":"tzjtxpndzsm","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/94246.html","title":{"rendered":"\u8c03\u5236\u89e3\u8c03\u82af\u7247\u96be\u70b9\u5728\u4ec0\u4e48"},"content":{"rendered":"\n
\u3000\u3000\u8c03\u5236\u89e3\u8c03\u82af\u7247\u7684\u96be\u70b9\u4e3b\u8981\u96c6\u4e2d\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n
\u3000\u3000\u8c03\u5236\u89e3\u8c03\u82af\u7247\u7684\u96be\u70b9\u5728\u4e8e\u786e\u4fdd\u6027\u80fd\u7a33\u5b9a\u3001\u4e0e\u5176\u4ed6\u786c\u4ef6\u7684\u517c\u5bb9\u6027\u3001\u957f\u5468\u671f\u7684\u7814\u53d1\u6295\u5165\u4ee5\u53ca\u9762\u5bf9\u6fc0\u70c8\u7684\u5e02\u573a\u7ade\u4e89\u548c\u6280\u672f\u58c1\u5792\u3002<\/p>\n\n\n\n
\u3000\u3000\u63d0\u9ad8\u8c03\u5236\u89e3\u8c03\u82af\u7247\u7684\u6027\u80fd\u7a33\u5b9a\u6027\u53ef\u4ee5\u4ece\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u5165\u624b\uff1a<\/p>\n\n\n\n
\u3000\u3000\u8c03\u5236\u89e3\u8c03\u82af\u7247\u4e0e\u73b0\u6709\u786c\u4ef6\u7cfb\u7edf\u7684\u517c\u5bb9\u6027\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5b9e\u73b0\u3002\u9996\u5148\uff0c\u901a\u8fc7\u96c6\u6210\u591a\u79cd\u8c03\u5236\u89e3\u8c03\u6807\u51c6\u548c\u6280\u672f\u5230\u4e00\u4e2a\u901a\u7528\u786c\u4ef6\u5e73\u53f0\u4e0a\uff0c\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7edf\u7684\u8d44\u6e90\u5229\u7528\u7387\u548c\u517c\u5bb9\u6027\u3002\u4f8b\u5982\uff0c\u4e00\u79cd\u8bbe\u8ba1\u5229\u7528\u8d44\u6e90\u5171\u4eab\uff0c\u5c062FSK\u3001BPSK\u548cQPSK\u7b49\u5e7f\u6cdb\u91c7\u7528\u7684\u8c03\u5236\u89e3\u8c03\u7cfb\u7edf\u96c6\u6210\u5230\u540c\u4e00\u901a\u7528\u786c\u4ef6\u5e73\u53f0\u4e2d\u3002<\/p>\n\n\n\n
\u3000\u3000\u6b64\u5916\uff0c\u8c03\u5236\u89e3\u8c03\u82af\u7247\u7684\u8bbe\u8ba1\u4e5f\u53ef\u4ee5\u901a\u8fc7\u96c6\u6210\u5148\u8fdb\u7684\u6280\u672f\u548c\u6807\u51c6\u6765\u5b9e\u73b0\u517c\u5bb9\u6027\u3002\u4f8b\u5982\uff0cMarvell\u63a8\u51fa\u7684PXA1802\u82af\u7247\u96c6\u6210\u4e86TDD-LTE\u3001FDD-LTE\u53caTD-SCDMA\u7b49\u591a\u79cd\u6280\u672f\uff0c\u5e76\u4e14\u5b8c\u5168\u517c\u5bb9\u4e2d\u56fd\u76ee\u524d\u63a8\u884c\u7684TD-SCDMA\u6807\u51c6\u3002\u8fd9\u79cd\u8bbe\u8ba1\u4e0d\u4ec5\u652f\u6301\u5f53\u524d\u7684\u6280\u672f\u6807\u51c6\uff0c\u8fd8\u80fd\u4e3a\u672a\u6765\u7684\u9ad8\u5e26\u5bbd\u9700\u6c42\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n\n\n\n
\u3000\u3000\u53e6\u5916\uff0c5G\u8c03\u5236\u89e3\u8c03\u82af\u7247\u4e5f\u9700\u8981\u517c\u5bb93G\u548c4G\u6280\u672f\u6807\u51c6\uff0c\u4ee5\u786e\u4fdd\u5728\u4e0d\u540c\u7f51\u7edc\u73af\u5883\u4e0b\u7684\u65e0\u7f1d\u5207\u6362\u548c\u4f7f\u7528\u3002\u8fd9\u8868\u660e\u5728\u8bbe\u8ba1\u8c03\u5236\u89e3\u8c03\u82af\u7247\u65f6\uff0c\u5fc5\u987b\u8003\u8651\u5230\u5e7f\u6cdb\u7684\u9891\u8c31\u517c\u5bb9\u6027\u548c\u8fd0\u7b97\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u81ea\u4e3b\u7814\u53d1\u8c03\u5236\u89e3\u8c03\u5668\u82af\u7247\u7684\u5e73\u5747\u5f00\u53d1\u5468\u671f\u548c\u6210\u672c\u5982\u4e0b\uff1a<\/p>\n\n\n\n
\u3000\u3000\u8bbe\u8ba128nm\u82af\u7247\u7684\u5e73\u5747\u6210\u672c\u4e3a4000\u4e07\u7f8e\u5143\u3002<\/p>\n\n\n\n
\u3000\u3000\u968f\u7740\u5236\u7a0b\u5de5\u827a\u7684\u6f14\u8fdb\uff0c\u82af\u7247\u7684\u7814\u53d1\u6210\u672c\u6b63\u5728\u98d9\u5347\u3002\u4f8b\u5982\uff0c\u8bbe\u8ba1\u4e00\u98972nm\u82af\u7247\u7684\u6210\u672c\u81f3\u5c11\u89817.25\u4ebf\u7f8e\u5143\u3002<\/p>\n\n\n\n
\u3000\u3000\u82f9\u679c\u6bcf\u5e74\u5411\u9ad8\u901a\u652f\u4ed8\u8d85\u8fc770\u4ebf\u7f8e\u5143\u7684\u8d39\u7528\uff0c\u4ee5\u83b7\u5f97\u5176\u5168\u7403\u6700\u5148\u8fdb\u76845G\u8c03\u5236\u89e3\u8c03\u5668\u82af\u7247\uff0c\u8be5\u4ea7\u54c1\u6bd4\u82f9\u679c\u5f00\u53d1\u51fa\u6765\u7684\u82af\u7247\u8981\u9886\u5148\u4e09\u5e74\u5de6\u53f3\u3002<\/p>\n\n\n\n
\u3000\u3000\u81ea\u4e3b\u7814\u53d1\u8c03\u5236\u89e3\u8c03\u5668\u82af\u7247\u7684\u5e73\u5747\u5f00\u53d1\u5468\u671f\u7ea6\u4e3a\u4e09\u5e74\uff0c\u800c\u8bbe\u8ba128nm\u82af\u7247\u7684\u5e73\u5747\u6210\u672c\u4e3a4000\u4e07\u7f8e\u5143\u3002<\/p>\n\n\n\n
\u3000\u3000QPSK\u8c03\u5236\u89e3\u8c03\u6280\u672f\u7684\u6700\u65b0\u8fdb\u5c55\u548c\u5e94\u7528\u6848\u4f8b\u4e3b\u8981\u96c6\u4e2d\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n
\u3000\u30002024\u5e744\u670819\u65e5\uff0cMATLAB 2022a\u4e2d\u5c55\u793a\u4e86\u57fa\u4e8e\u6df1\u5ea6\u5b66\u4e60\u7684QPSK\u8c03\u5236\u89e3\u8c03\u7cfb\u7edf\u9891\u504f\u4f30\u8ba1\u548c\u8865\u507f\u7b97\u6cd5\u4eff\u771f\u7ed3\u679c\u3002\u8be5\u7b97\u6cd5\u8fd0\u7528\u795e\u7ecf\u7f51\u7edc\u6a21\u578b\u5b9e\u65f6\u4f30\u8ba1\u5e76\u8865\u507f\u65e0\u7ebf\u901a\u4fe1\u4e2d\u7684\u9891\u7387\u504f\u79fb\u3002\u6b64\u5916\uff0c\u53e6\u4e00\u7bc7\u8bba\u6587\u4e5f\u63d0\u51fa\u4e86\u5229\u7528\u6df1\u5ea6\u5b66\u4e60\u7f51\u7edc\u5bf9\u63a5\u6536\u5230\u7684\u4fe1\u53f7\u8fdb\u884c\u76f8\u4f4d\u68c0\u6d4b\uff0c\u5e76\u6839\u636e\u68c0\u6d4b\u7ed3\u679c\u5bf9\u4fe1\u53f7\u8fdb\u884c\u76f8\u4f4d\u8865\u507f\uff0c\u4ece\u800c\u63d0\u9ad8\u89e3\u8c03\u6027\u80fd\u7684\u6280\u672f\u3002<\/p>\n\n\n\n
\u3000\u30002023\u5e744\u670820\u65e5\uff0c\u4e00\u7bc7\u8bba\u6587\u5c55\u793a\u4e86QPSK\u8c03\u5236\u89e3\u8c03\u5728FPGA\u4e0a\u7684\u5b9e\u73b0\u6210\u679c\u3002\u8be5\u7cfb\u7edf\u901a\u8fc7\u5bf9\u4e8c\u8fdb\u5236\u7801\u5143\u8fdb\u884c\u4e32\u5e76\u8f6c\u6362\u5206\u4e3aIQ\u4e24\u8def\uff0c\u5e76\u5bf9IQ\u4e24\u8def\u7801\u5143\u8fdb\u884c4\u500d\u4e0a\u91c7\u6837\uff0c\u6700\u7ec8\u5b9e\u73b0QPSK\u8c03\u5236\u89e3\u8c03\u3002\u53e6\u4e00\u7bc7\u8bba\u6587\u4e5f\u8be6\u7ec6\u4ecb\u7ecd\u4e86\u57fa\u4e8eFPGA\u7684QPSK\u8c03\u5236\u89e3\u8c03\u7cfb\u7edf\u7684\u5b9e\u73b0\u8fc7\u7a0b\u3002<\/p>\n\n\n\n
\u3000\u3000\u7814\u7a76\u4eba\u5458\u5bf9\u4f20\u7edf\u7684QPSK\u548c2FSK\u5355\u8c03\u5236\u65b9\u6cd5\u8fdb\u884c\u4e86\u6539\u8fdb\uff0c\u63d0\u51fa\u4e86QPSK\u548c2FSK\u6df7\u5408\u8c03\u5236\u7684\u6280\u672f\u3002\u57289 dB\u4fe1\u566a\u6bd4\u60c5\u51b5\u4e0b\uff0c\u8bef\u7801\u7387\u5c0f\u4e8e0.1%\u3002<\/p>\n\n\n\n
\u3000\u30002023\u5e743\u670824\u65e5\uff0c\u4e00\u7bc7\u8bba\u6587\u63a2\u8ba8\u4e86\u591a\u8fdb\u5236\u6570\u5b57\u8c03\u5236\u4e0e\u89e3\u8c03\u7684\u6982\u5ff5\uff0c\u7279\u522b\u662fQPSK\u548cDQPSK\u8c03\u5236\u89e3\u8c03\u7684\u539f\u7406\u53ca\u5b9e\u73b0\u65b9\u6cd5\uff0c\u5e76\u89c2\u6d4b\u4e86\u5bf9\u5e94\u7684\u661f\u5ea7\u56fe\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u8c03\u5236\u89e3\u8c03\u82af\u7247\u7684\u96be\u70b9\u5728\u4e8e\u786e\u4fdd\u6027\u80fd\u7a33\u5b9a\u3001\u4e0e\u5176\u4ed6\u786c\u4ef6\u7684\u517c\u5bb9\u6027\u3001\u957f\u5468\u671f\u7684\u7814\u53d1\u6295\u5165\u4ee5\u53ca\u9762\u5bf9\u6fc0\u70c8\u7684\u5e02\u573a\u7ade\u4e89\u548c\u6280\u672f\u58c1\u5792\u3002<\/p>\n","protected":false},"author":1,"featured_media":92388,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[36],"tags":[304],"class_list":["post-94246","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-tzjt"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/94246","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/comments?post=94246"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/94246\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/92388"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=94246"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=94246"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=94246"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}